Armadillidium is a genus of the small terrestrial crustacean known as the woodlouse. Armadillidium are also commonly known as pill woodlice, leg pebbles, pill bugs, roly-poly, or potato bugs, and are often confused with pill millipedes such as Glomeris marginata. They are characterised by their ability to roll into a ball ("volvation") when disturbed.
Styloniscus is a genus of woodlice in the family Styloniscidae. It contains the following species as of 2010:
Philosciidae are a family of woodlice. They occur almost everywhere on earth, with most species found in (sub)tropical America, Africa and Oceania, and only a few in the Holarctic.
The Cirolanidae are a family of isopod crustaceans, including these genera:
Platyarthridae is a family of woodlice, containing the following genera:
Ligia cinerascens is a woodlouse in the family Ligiidae.
Porcellio montanus is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae that can be found in Czech Republic, France, Italy and Switzerland. Only one subspecies have been recorded, Porcellio montanus alpivagusVerhoeff, 1928.
Porcellio albinus is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae that can be found in North Africa.
Porcellio obsoletus is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae that can be found on islands like Crete, Cyclades, Cyprus, Dodecanese, Malta, North Aegean, and Sicily. It can also be found in such European countries as Albania, Croatia, Greece, Italy, Ukraine, and European part of Turkey.
Trachelipus pierantonii is a species of woodlouse in the genus Trachelipus belonging to the family Trachelipodidae that can be found in Trento, Italy.
Trachelipus schwangarti is a species of woodlouse in the genus Trachelipus belonging to the family Trachelipodidae that can be found in the Alps of Austria and northern Italy.
Trachelipus is a genus of woodlice in the family Trachelipodidae, containing the following species:
Porcellionides approximatus is a woodlouse that is endemic to Crimea, Ukraine.
Armadillidae is a family of woodlice, comprising around 80 genera and 700 species. It is the largest family of Oniscidea, and one of the most species-rich families of the entire Isopoda. Armadillids generally have a strongly convex body shape, with some rather shallowly convex. Like members of the woodlice family Armadillidiidae, armadillids are capable of enrolling into a sphere (conglobation), and are commonly known as pill bugs. Armadillids differ from the Armadillidiidae in that the antennae are fully enclosed within the sphere.
Scleropactidae is a family of woodlice, with a predominantly Gondwanan distribution. It contains the following genera:
Suarezia is a genus of woodlice, in the family Scleropactidae, containing the two species Suarezia differens and Suarezia heterodoxa, both of which are endemic to Madagascar.
Niambia is a genus of woodlice in the family Platyarthridae. There are at least 20 described species in Niambia.
Armadilloniscus is a genus of woodlice in the family Detonidae. There are more than 30 described species in Armadilloniscus.
Cylisticus is a genus of woodlice in the family Cylisticidae. There are at least 70 described species in Cylisticus.
Eubelidae is a family of isopods belonging to the order Isopoda. It contains the following genera:
